What is the source of solar energy?

Explain the source of solar energy with the help of proton-proton cycle. What is the role of cadmium rods in a nuclear reactor?

The energy which cannot be taken as an indirect source of solar energy is

Name the process that converts solar energy into chemical energy naturally. What is the ultimate source of energy contained in wood ?

What is the composition of solar energy ?

What is a source of energy ? What are the two main categories of the sources of energy ?

Which is the energy source of solar cooker